US2003229082A1PendingUtilityA1

Inhibition of RNA function

35
Assignee: UNIV CALIFORNIAPriority: Jan 16, 2002Filed: Jan 16, 2003Published: Dec 11, 2003
Est. expiryJan 16, 2022(expired)· nominal 20-yr term from priority
C07D 231/12C07D 233/56A61K 31/4015A61K 31/498A61K 31/343A61K 31/4745A61K 31/475C07D 279/28A61K 31/402A61K 31/538A61K 31/5415C07D 279/06C07D 249/08Y02A50/30A61K 31/542C07D 417/06
35
PatentIndex Score
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Claims

Abstract

Inhibition of RNA function, and treatment or control of diseases or conditions, e.g. infectious diseases such as viruses and viral infections (including HIV) and microbial infections, by the contacting of the RNA with a compound having a central or core structure comprising three fused rings containing from 12 to 15 ring atoms, the central ring including at least one heteroatom selected from nitrogen, oxygen and sulfur, the atoms of the three-ring core structure being optionally substituted with substituents such as halogens, cyano, and/or various substituted or unsubstituted aliphatic and/or heteroaliphatic moieties, or contacting the RNA with yohimbine, usnic acid or N-{4-[2,5-Dioxo-1-(4-trifluoromethoxy-phenyl)-pyrrolidin-3-yl]-phenyl}-2,2,2-trifluoro-acetamide. Preferred compounds are various phenothiazines, including both known and novel compounds.

Claims

exact text as granted — not AI-modified
What is claimed is:  
     
         1 . A method for inhibition of RNA function comprising contacting an RNA molecule with a pharmacologically effective inhibitory amount of 
 (a) a compound having the formula (I):                          in which: 
 A is O; NR 1 ; S(O) n  where n is 0, 1 or 2; CR 2 R 3 ; or —A′—CR 4 R 5  where A′ is O, NR 1 , S(O) n  wherein n is 0, 1 or 2 or CR 6 R 7 , wherein R 1  through R 7  are independently hydrogen or optionally substituted aliphatic or heteroaliphatic groups;  
 B is N—R, O, S or CR 8 R 9  in which R is hydrogen or an optionally substituted aliphatic or heteroaliphatic group and R 8  and R 9  are independently hydrogen or optionally substituted aliphatic or heteroaliphatic groups; or when B is N—R, then R, the nitrogen atom of B, and two carbon atoms on the ring adjacent to the nitrogen atom together comprise a ring having the formula —N—C═C—C(OH)═C(COCH 3 )—C(O)—;  
 provided that at least one of A and B comprises an oxygen, sulfur or nitrogen ring atom;  
 D and E, together with the carbon atoms to which they are bonded, independently comprise optionally substituted rings of 5-7 atoms selected from C, N, S and O, wherein each ring includes at least one double bond;  
 and pharmaceutically acceptable salts thereof;  
   (b) yohimbine;    (c) usnic acid; or    (d) N-{4-[2,5-Dioxo-1-(4-trifluoromethoxy-phenyl)-pyrrolidin-3-yl]-phenyl}-2,2,2-trifluoro-acetamide.    
     
     
         2 . A method according to  claim 1 . in which the compound is of formula (I).  
     
     
         3 . A method according to  claim 2  in which D and E are unsubstituted rings.  
     
     
         4 . A method according to  claim 2  in which one of D and E is a mono-substituted ring.  
     
     
         5 . A method according to  claim 4  in which in which one of D and E is substituted by halogen, trifluoromethyl, cyano, C 1 -C 4  alkoxy or acetyl.  
     
     
         6 . A method according to  claim 2  in which D and E are both mono-substituted rings.  
     
     
         7 . A method according to  claim 1 . in which the compound has the formula (II)  
       
         
           
           
               
               
           
         
       
       in which 
 R is hydrogen or an optionally substituted aliphatic, heteroaliphatic or cycloheteroaliphatic group, or in which the nitrogen atom, R, and two carbon atoms on the ring adjacent to the nitrogen atom, together comprise a ring having the formula —N—C═C—C(OH)═C(COCH 3 )—C(O)—;  
 and in which carbon atoms on the side rings of the compound are optionally substituted by one or more of —OR′, ═O, ═S, ═NR′, ═N—OR′, —SR′, -halogen, —SiR′R″R′″, —OC(O)R′, —C(O)R′, —CO 2 R′, —CONR′R″, —OC(O)NR′R″, —NR″C(O)R′, —NR′—C(O)NR″R′″, —NR″C(O) 2 R′, —NR—C(NRR′R″)═NR′″, —R′C(NR′R″)═NR′″, —NR—C(NR′R″)═NR′″, —S(O)R′, —S(O) 2 R′, —S(O) 2 NR′R″, —NRSO 2 R′, —CN and/or —NO 2 , in which R′, R″ and R′″ are each independently selected from hydrogen, halogen, acyl, optionally substituted heteroaliphatic groups, unsubstituted aryl, aryl substituted with 1-3 halogens, optionally substituted aliphatic, optionally substituted oxyaliphatic groups, optionally substituted thioaliphatic groups, or aryl- (C 1 -C 4 )aliphatic groups.;  
 and pharmaceutically acceptable salts thereof.  
 
     
     
         8 . A method according to  claim 7  in which both side rings are unsubstituted rings.  
     
     
         9 . A method according to  claim 7  in which one or both of the side rings is a mono-substituted ring.  
     
     
         10 . A method according to  claim 9  in which in which one of the side rings is substituted by halogen, trifluoromethyl, cyano, C 1 -C 4  alkoxy or acetyl.  
     
     
         11 . A method according to  claim 7  in which the side rings are both mono-substituted rings.  
     
     
         12 . A method according to  claim 7  in which the side rings are either unsubstituted or are substituted at the 2-position by halogen, trifluoromethyl, thiomethyl, acetyl, C 1 -C 4  alkoxy or cyano, and in which R is 
 (a) a C 2 -C 4  alkylene group substituted by a mono- or dialkylamino group or by an optionally substituted cycloheteroaliphatic group;  
 (b) an optionally substituted C 2 -C 4  unsaturated acyclic aliphatic group, or  
 (c) a C 2 -C 4  acyl group substituted by a mono- or dialkylamino group.  
 
     
     
         13 . A method according to  claim 7  in which the compound is acetylpromazine, chlorpromazine, prochlorperazine, promazine, or trifluoperazine.  
     
     
         14 . A method according to  claim 2 . in which the compound has the formula (III):  
       
         
           
           
               
               
           
         
         in which R is (CH 2 ) 3 R 12 ; R 10  is halogen or C 1 -C 4  alkoxy; R 11  is hydrogen if R 10  is halogen and is hydrogen or methyl if R 10  is alkoxy; and R 12  is selected from —N(CH 2 CH 2 )OH, —N(n-C 4 H 9 ), —N(CH 2 C 6 H 5 ),  
         
           
             
             
                 
                 
             
           
         
          if R 10  is halogen, and is —N(CH 3 ) 2  if R 10  is alkoxy.  
       
     
     
         15 . A method according to  claim 1 . in which the compound is yohimbine.  
     
     
         16 . A method according to  claim 1 . in which the compound is usnic acid.  
     
     
         17 . A method according to  claim 1 . in which the compound is N-{4-[2,5-Dioxo-1-(4-trifluoromethoxy-phenyl)-pyrrolidin-3-yl]-phenyl}-2,2,2-trifluoro-acetamide.  
     
     
         18 . A method according to  claim 1 . in which the compound is a phenothiazine.  
     
     
         19 . A method according to  claim 1 . in which the compound is a thioxanthene.  
     
     
         20 . A method according to  claim 1 . in which the compound is a thianthrene.  
     
     
         21 . A method according to  claim 1 . in which the compound is a phenoxazine.  
     
     
         22 . A method according to  claim 1 . in which the compound is a phenazine.  
     
     
         23 . A method according to  claim 1 . in which the compound is a phenoxathiin.  
     
     
         24 . A method according to  claim 1 . in which the compound is a benzepine.  
     
     
         25 . A method according to  claim 1 . in which the RNA is viral or microbial RNA.  
     
     
         26 . A method according to  claim 1 . in which the RNA is viral RNA.  
     
     
         27 . A method according to  claim 1 . in which the RNA is retroviral RNA.  
     
     
         28 . A method according to  claim 1 . in which the RNA is HIV RNA.  
     
     
         29 . A method according to  claim 18  in which the compound inhibits RNA function by binding to the TAR site.  
     
     
         30 . A method according to  claim 1 . in which the RNA is microbial RNA  
     
     
         31 . A method according to  claim 28  in which the RNA is bacterial RNA.  
     
     
         32 . A method according to  claim 28  in which the RNA is fungal RNA  
     
     
         33 . A method according to  claim 28  in which the RNA is protozoal RNA.  
     
     
         34 . A method for inhibition of RNA function comprising contacting cells comprising RNA with a pharmacologically effective inhibitory amount of 
 (a) a compound having the formula (I):                          in which: 
 A is O; NR 1 ; S(O) n  where n is 0, 1 or 2; CR 2 R 3 ; or —A′—CR 4 R 5  where A′ is O, NR 1 , S(O) n  wherein n is 0, 1 or 2 or CR 6 R 7 , wherein R 1  through R 7  are independently hydrogen or optionally substituted aliphatic or heteroaliphatic groups;  
 B is N—R, O, S or CR 8 R 9  in which R is hydrogen or an optionally substituted aliphatic or heteroaliphatic group and R 8  and R 9  are independently hydrogen or optionally substituted aliphatic or heteroaliphatic groups; or when B is N—R, then R, the nitrogen atom of B, and two carbon atoms on the ring adjacent to the nitrogen atom together comprise a ring having the formula —N—C═C—C(OH)═C(COCH 3 )—C(O)—;  
 provided that at least one of A and B comprises an oxygen, sulfur or nitrogen ring atom;  
 D and E, together with the carbon atoms to which they are bonded, independently comprise optionally substituted rings of 5-7 atoms selected from C, N, S and O, wherein each ring includes at least one double bond;  
 and pharmaceutically acceptable salts thereof;  
   (b) yohimbine;    (c) usnic acid; or    (d) N-{4-[2,5-Dioxo-1-(4-trifluoromethoxy-phenyl)-pyrrolidin-3-yl]-phenyl}-2,2,2-trifluoro-acetamide.    
     
     
         35 . A method according to  claim 34  in which the compound is of formula (I).  
     
     
         36 . A method according to  claim 35  in which D and E are unsubstituted rings.  
     
     
         37 . A method according to  claim 36  in which one of D and E is a mono-substituted ring.  
     
     
         38 . A method according to  claim 37  in which in which one of D and E is substituted by halogen, trifluoromethyl, cyano, C 1 -C 4  alkoxy or acetyl.  
     
     
         39 . A method according to  claim 35  in which D and E are both mono-substituted rings.  
     
     
         40 . A method according to  claim 34  in which the compound has the formula (II)  
       
         
           
           
               
               
           
         
       
       in which 
 R is hydrogen or an optionally substituted aliphatic, heteroaliphatic or cycloheteroaliphatic group, or in which the nitrogen atom, R, and two carbon atoms on the ring adjacent to the nitrogen atom, together comprise a ring having the formula —N—C═C—C(OH)═C(COCH 3 )—C(O)—;  
 and in which carbon atoms on the side rings of the compound are optionally substituted by one or more of —OR′, ═O, ═S, ═NR′, ═N—OR′, —NR′R″, —SR′, -halogen, —SiR′R″R′″, —OC(O)R′, —C(O)R′, —CO 2 R′, —CONR′R″, —OC(O)NR′R″, —NR″C(O)R′, —NR′—C(O)NR″R′″, —NR″C(O) 2 R′, —NR—C(NRR′R″)═NR′″, —R′C(NR′R″)═NR′″, —NR—C(NR′R″)═NR′″, —S(O)R′, —S(O) 2 R′, —S(O) 2 NR′R″, —NRSO 2 R′, —CN and/or —NO 2 , in which R′, R″ and R′″ are each independently selected from hydrogen, halogen, acyl, optionally substituted heteroaliphatic groups, unsubstituted aryl, aryl substituted with 1-3 halogens, optionally substituted aliphatic, optionally substituted oxyaliphatic groups, optionally substituted thioaliphatic groups, or aryl- (C 1 -C 4 )aliphatic groups.;  
 and pharmaceutically acceptable salts thereof.  
 
     
     
         41 . A method according to  claim 40  in which both side rings are unsubstituted rings.  
     
     
         42 . A method according to  claim 40  in which one or both of the side rings is a mono-substituted ring.  
     
     
         43 . A method according to  claim 42  in which in which one of the side rings is substituted by halogen, trifluoromethyl, cyano, C 1 -C 4  alkoxy or acetyl.  
     
     
         44 . A method according to  claim 40  in which the side rings are both mono-substituted rings.  
     
     
         45 . A method according to  claim 40  in which the side rings are either unsubstituted or are substituted at the 2-position by halogen, trifluoromethyl, thiomethyl, acetyl, C 1 -C 4  alkoxy or cyano, and in which R is 
 (a) a C 2 -C 4  alkylene group substituted by a mono- or dialkylamino group or by an optionally substituted cycloheteroaliphatic group;  
 (b) an optionally substituted C 2 -C 4  unsaturated acyclic aliphatic group, or  
 (c) a C 2 -C 4  acyl group substituted by a mono- or dialkylamino group.  
 
     
     
         46 . A method according to  claim 40  in which the compound is acetylpromazine, chlorpromazine, prochlorperazine, promazine, or trifluoperazine.  
     
     
         47 . A method according to  claim 35  in which the compound has the formula (III):  
       
         
           
           
               
               
           
         
         in which R is (CH 2 ) 3 R 12 ; R 10  is halogen or C 1 -C 4  alkoxy; R 11  is hydrogen if R 10  is halogen and is hydrogen or methyl if R 10  is alkoxy; and R 12  is selected from —N(CH 2 CH 2 )OH, —N(n-C 4 H 9 ), —N(CH 2 C 6 H 5 ),  
         
           
             
             
                 
                 
             
           
         
          if R 10  is halogen, and is —N(CH 3 ) 2  if R 10  is alkoxy.  
       
     
     
         48 . A method according to  claim 34  in which the compound is yohimbine.  
     
     
         49 . A method according to  claim 34  in which the compound is usnic acid.  
     
     
         50 . A method according to  claim 34  in which the compound is N-{4-[2,5-Dioxo-1-(4-trifluoromethoxy-phenyl)-pyrrolidin-3-yl]-phenyl}-2,2,2-trifluoro-acetamide.  
     
     
         51 . A method according to  claim 34  in which the compound is a phenothiazine.  
     
     
         52 . A method according to  claim 34  in which the compound is a thioxanthene.  
     
     
         53 . A method according to  claim 34  in which the compound is a thianthrene.  
     
     
         54 . A method according to  claim 34  in which the compound is a phenoxazine.  
     
     
         55 . A method according to  claim 34  in which the compound is a phenazine.  
     
     
         56 . A method according to  claim 34  in which the compound is a phenoxathiin.  
     
     
         57 . A method according to  claim 34  in which the compound is a benzepine.  
     
     
         58 . A method for inhibition of microbial infection in a subject comprising administering to said subject a pharmacologically effective inhibitory amount of 
 (a) a compound having the formula (I):                          in which: 
 A is O; NR 1 ; S(O) n  where n is 0, 1 or 2; CR 2 R 3 ; or —A′—CR 4 R 5  where A′ is O, NR 1 , S(O) n  wherein n is 0, 1 or 2 or CR 6 R 7 , wherein R 1  through R 7  are independently hydrogen or optionally substituted aliphatic or heteroaliphatic groups;  
 B is N—R, O, S or CR 8 R 9  in which R is hydrogen or an optionally substituted aliphatic or heteroaliphatic group and R 8  and R 9  are independently hydrogen or optionally substituted aliphatic or heteroaliphatic groups; or when B is N—R, then R, the nitrogen atom of B, and two carbon atoms on the ring adjacent to the nitrogen atom together comprise a ring having the formula —N—C═C—C(OH)═C(COCH 3 )—C(O)—;  
 provided that at least one of A and B comprises an oxygen, sulfur or nitrogen ring atom;  
 D and E, together with the carbon atoms to which they are bonded, independently comprise optionally substituted rings of 5-7 atoms selected from C, N, S and O, wherein each ring includes at least one double bond;  
 and pharmaceutically acceptable salts thereof;  
   (b) yohimbine;    (c) usnic acid; or    (d) N-{4-[2,5-Dioxo-1-(4-trifluoromethoxy-phenyl)-pyrrolidin-3-yl]-phenyl}-2,2,2-trifluoro-acetamide.    
     
     
         59 . A method according to  claim 58  in which the compound is of formula (I).  
     
     
         60 . A method according to  claim 59  in which D and E are unsubstituted rings.  
     
     
         61 . A method according to  claim 59  in which one of D and E is a mono-substituted ring.  
     
     
         62 . A method according to  claim 62  in which in which one of D and E is substituted by halogen, trifluoromethyl, cyano, C 1 -C 4  alkoxy or acetyl.  
     
     
         63 . A method according to  claim 59  in which D and E are both mono-substituted rings.  
     
     
         64 . A method according to  claim 58  in which the compound has the formula (II)  
       
         
           
           
               
               
           
         
       
       in which 
 R is hydrogen or an optionally substituted aliphatic, heteroaliphatic or cycloheteroaliphatic group, or in which the nitrogen atom, R, and two carbon atoms on the ring adjacent to the nitrogen atom, together comprise a ring having the formula —N—C═C—C(OH)═C(COCH 3 )—C(O)—;  
 and in which carbon atoms on the side rings of the compound are optionally substituted by one or more of —OR′, ═O, ═S, ═NR′, ═N—OR′, —NR′R″, —SR′, -halogen, —SiR′R″R′″, —OC(O)R′, —C(O)R′, —CO 2 R′, —CONR′R″, —OC(O)NR′R″, —NR″C(O)R′, —NR′—C(O)NR″R′″, —NR″C(O) 2 R′, —NR—C(NRR′R″)═NR′″, —R′C(NR′R″)═NR′″, —NR—C(NR′R″)═NR′″, —S(O)R′, —S(O) 2 R′, —S(O) 2 NR′R″, —NRSO 2 R′, —CN and/or —NO 2 , in which R′, R″ and R′″ are each independently selected from hydrogen, halogen, acyl, optionally substituted heteroaliphatic groups, unsubstituted aryl, aryl substituted with 1-3 halogens, optionally substituted aliphatic, optionally substituted oxyaliphatic groups, optionally substituted thioaliphatic groups, or aryl- (C 1 -C 4 )aliphatic groups.;  
 and pharmaceutically acceptable salts thereof.  
 
     
     
         65 . A method according to  claim 64  in which both side rings are unsubstituted rings.  
     
     
         66 . A method according to  claim 64  in which one or both of the side rings is a mono-substituted ring.  
     
     
         67 . A method according to  claim 66  in which one of the side rings is substituted by halogen, trifluoromethyl, cyano, C 1 -C 4  alkoxy or acetyl.  
     
     
         68 . A method according to  claim 64  in which the side rings are both mono-substituted rings.  
     
     
         69 . A method according to  claim 64  in which the side rings are either unsubstituted or are substituted at the 2-position by halogen, trifluoromethyl, thiomethyl, acetyl, C 1 -C 4  alkoxy or cyano, and in which R is 
 (a) a C 2 -C 4  alkylene group substituted by a mono- or dialkylamino group or by an optionally substituted cycloheteroaliphatic group;  
 (b) an optionally substituted C 2 -C 4  unsaturated acyclic aliphatic group, or  
 (c) a C 2 -C 4  acyl group substituted by a mono- or dialkylamino group.  
 
     
     
         70 . A method according to  claim 64  in which the compound is acetylpromazine, chlorpromazine, prochlorperazine, promazine, or trifluoperazine.  
     
     
         71 . A method according to  claim 59  in which the compound has the formula (III):  
       
         
           
           
               
               
           
         
         in which R is (CH 2 ) 3 R 12 ; R 10  is halogen or C 1 -C 4  alkoxy; R 11  is hydrogen if R 10  is halogen and is hydrogen or methyl if R 10  is alkoxy; and R 12  is selected from —N(CH 2 CH 2 )OH, —N(n-C 4 H 9 ), —N(CH 2 C 6 H 5 ),  
         
           
             
             
                 
                 
             
           
         
          if R 10  is halogen, and is —N(CH 3 )  2  if R 10  is alkoxy.  
       
     
     
         72 . A method according to  claim 58  in which the compound is yohimbine.  
     
     
         73 . A method according to  claim 58  in which the compound is usnic acid.  
     
     
         74 . A method according to  claim 58  in which the compound is N-{4-[2,5-Dioxo-1-(4-trifluoromethoxy-phenyl)-pyrrolidin-3-yl]-phenyl}-2,2,2-trifluoro-acetamide.  
     
     
         75 . A method according to  claim 58  in which the compound is a phenothiazine.  
     
     
         76 . A method according to  claim 58  in which the compound is a thioxanthene.  
     
     
         77 . A method according to  claim 58  in which the compound is a thianthrene.  
     
     
         78 . A method according to  claim 58  in which the compound is a phenoxazine.  
     
     
         79 . A method according to  claim 58  in which the compound is a phenazine.  
     
     
         80 . A method according to  claim 58  in which the compound is a phenoxathiin.  
     
     
         81 . A method according to  claim 58  in which the compound is a benzepine.  
     
     
         82 . A method according to  claim 65  in which the infection is a bacterial infection.  
     
     
         83 . A method for inhibiting a viral infection in a subject comprising administering to said subject a pharmacologically effective inhibitory amount of 
 (a) a compound having the formula (I):                          in which: 
 A is O; NR 1 ; S(O) n  where n is 0, 1 or 2; CR 2 R 3 ; or —A′—CR 4 R 5  where A′ is O, NR 1 , S(O) n  wherein n is 0, 1 or 2 or CR 6 R 7 , wherein R 1  through R 7  are independently hydrogen or optionally substituted aliphatic or heteroaliphatic groups;  
 B is N—R, O, S or CR 8 R 9  in which R is hydrogen or an optionally substituted aliphatic or heteroaliphatic group and R 8  and R 9  are independently hydrogen or optionally substituted aliphatic or heteroaliphatic groups; or when B is N—R, then R, the nitrogen atom of B, and two carbon atoms on the ring adjacent to the nitrogen atom together comprise a ring having the formula —N—C═C—C(OH)═C(COCH 3 )—C(O)—;  
 provided that at least one of A and B comprises an oxygen, sulfur or nitrogen ring atom;  
 D and E, together with the carbon atoms to which they are bonded, independently comprise optionally substituted rings of 5-7 atoms selected from C, N, S and O, wherein each ring includes at least one double bond;  
 and pharmaceutically acceptable salts thereof;  
   (b) yohimbine;    (c) usnic acid; or    (d) N-{4-[2,5-Dioxo-1-(4-trifluoromethoxy-phenyl)-pyrrolidin-3-yl]-phenyl}-2,2,2-trifluoro-acetamide.    
     
     
         84 . A method according to  claim 83  in which the compound is of formula (I).  
     
     
         85 . A method according to  claim 84 . in which D and E are unsubstituted rings.  
     
     
         86 . A method according to  claim 84 . in which one of D and E is a mono-substituted ring.  
     
     
         87 . A method according to  claim 86  in which in which one of D and E is substituted by halogen, trifluoromethyl, cyano, C 1 -C 4  alkoxy or acetyl.  
     
     
         88 . A method according to  claim 84  in which D and E are both mono-substituted rings.  
     
     
         89 . A method according to  claim 83  in which the compound has the formula (II)  
       
         
           
           
               
               
           
         
       
       in which 
 R is hydrogen or an optionally substituted aliphatic, heteroaliphatic or cycloheteroaliphatic group, or in which the nitrogen atom, R, and two carbon atoms on the ring adjacent to the nitrogen atom, together comprise a ring having the formula —N—C═C—C(OH)═C(COCH 3 )—C(O)—;  
 and in which carbon atoms on the side rings of the compound are optionally substituted by one or more of —OR′, ═O, ═S, ═NR′, ═N—OR′, —NR′R″, —SR′, -halogen, —SiR′R″R′″, —OC(O)R′, —C(O)R′, —CO 2 R′, —CONR′R″, —OC(O)NR′R″, —NR″C(O)R′, —NR′—C(O)NR″R′″, —NR″C(O) 2 R′, —NR—C(NRR′R″)═NR′″, —R′C(NR′R″)═NR′″, —NR—C(NR′R″)═NR′″, —S(O)R′, —S(O) 2 R′, —S(O) 2 NR′R″, —NRSO 2 R′, —CN and/or —NO 2 , in which R′, R″ and R′″ are each independently selected from hydrogen, halogen, acyl, optionally substituted heteroaliphatic groups, unsubstituted aryl, aryl substituted with 1-3 halogens, optionally substituted aliphatic, optionally substituted oxyaliphatic groups, optionally substituted thioaliphatic groups, or aryl- (C 1 -C 4 )aliphatic groups.;  
 and pharmaceutically acceptable salts thereof.  
 
     
     
         90 . A method according to  claim 89  in which both side rings are unsubstituted rings.  
     
     
         91 . A method according to  claim 89  in which one or both of the side rings is a mono-substituted ring.  
     
     
         92 . A method according to  claim 91  in which in which one of the side rings is substituted by halogen, trifluoromethyl, cyano, C 1 -C 4  alkoxy or acetyl.  
     
     
         93 . A method according to  claim 89  in which the side rings are both mono-substituted rings.  
     
     
         94 . A method according to  claim 89  in which the side rings are either unsubstituted or are substituted at the 2-position by halogen, trifluoromethyl, thiomethyl, acetyl, C 1 -C 4  alkoxy or cyano, and in which R is 
 (a) a C 2 -C 4  alkylene group substituted by a mono- or dialkylamino group or by an optionally substituted cycloheteroaliphatic group;  
 (b) an optionally substituted C 2 -C 4  unsaturated acyclic aliphatic group, or  
 (c) a C 2 -C 4  acyl group substituted by a mono- or dialkylamino group.  
 
     
     
         95 . A method according to  claim 89  in which the compound is acetylpromazine, chlorpromazine, prochlorperazine, promazine, or trifluoperazine.  
     
     
         96 . A method according to  claim 84  in which the compound has the formula (III):  
       
         
           
           
               
               
           
         
         in which R is (CH 2 ) 3 R 12 ; R 10  is halogen or C 1 -C 4  alkoxy; R 11  is hydrogen if R 10  is halogen and is hydrogen or methyl if R 10  is alkoxy; and R 12  is selected from —N(CH 2 CH 2 )OH, —N(n-C 4 H 9 ), —N(CH 2 C 6 H 5 ),  
         
           
             
             
                 
                 
             
           
         
          if R 10  is halogen, and is —N(CH 3 ) 2  if R 10  is alkoxy.  
       
     
     
         97 . A method according to  claim 83  in which the compound is yohimbine.  
     
     
         98 . A method according to  claim 83  in which the compound is usnic acid.  
     
     
         99 . A method according to  claim 83  in which the compound is N-{4-[2,5-Dioxo-1-(4-trifluoromethoxy-phenyl)-pyrrolidin-3-yl]-phenyl}-2,2,2-trifluoro-acetamide.  
     
     
         100 . A method according to  claim 83  in which the compound is a phenothiazine.  
     
     
         101 . A method according to  claim 83  in which the compound is a thioxanthene.  
     
     
         102 . A method according to  claim 83  in which the compound is a thianthrene.  
     
     
         103 . A method according to  claim 83  in which the compound is a phenoxazine.  
     
     
         104 . A method according to  claim 83  in which the compound is a phenazine.  
     
     
         105 . A method according to  claim 83  in which the compound is a phenoxathiin.  
     
     
         106 . A method according to  claim 83  in which the compound is a benzepine.  
     
     
         107 . A method according to  claim 110  wherein the viral infection comprises a retroviral infection.  
     
     
         108 . A method according to  claim 110  wherein the viral infection comprises AIDS.  
     
     
         109 . A method according to  claim 110  wherein the viral infection comprises a polio viral infection.  
     
     
         110 . A method according to  claim 110  wherein the viral infection comprises a rhinoviral infection.  
     
     
         111 . A method according to  claim 34  wherein the viral infection comprises an enteroviral infection.  
     
     
         112 . A method according to  claim 34  wherein the viral infection comprises hepatitis C.  
     
     
         113 . A method for inhibition of viral RNA function comprising administering to a subject a pharmacologically effective inhibitory amount of 
 (a) a compound having the formula (I):                          in which: 
 A is O; NR 1 ; S(O) n  where n is 0, 1 or 2; CR 2 R 3 ; or —A′—CR 4 R 5  where A′ is O, NR 1 , S(O) n  wherein n is 0, 1 or 2 or CR 6 R 7 , wherein R 1  through R 7  are independently hydrogen or optionally substituted aliphatic or heteroaliphatic groups;  
 B is N—R, O, S or CR 8 R 9  in which R is hydrogen or an optionally substituted aliphatic or heteroaliphatic group and R 8  and R 9  are independently hydrogen or optionally substituted aliphatic or heteroaliphatic groups; or when B is N—R, then R, the nitrogen atom of B, and two carbon atoms on the ring adjacent to the nitrogen atom together comprise a ring having the formula —N—C═C—C(OH)═C(COCH 3 )—C(O)—;  
 provided that at least one of A and B comprises an oxygen, sulfur or nitrogen ring atom;  
 D and E, together with the carbon atoms to which they are bonded, independently comprise optionally substituted rings of 5-7 atoms selected from C, N, S and O, wherein each ring includes at least one double bond;  
 and pharmaceutically acceptable salts thereof;  
   (b) yohimbine;    (c) usnic acid; or    (d) N-{4-[2,5-Dioxo-1-(4-trifluoromethoxy-phenyl)-pyrrolidin-3-yl]-phenyl}-2,2,2-trifluoro-acetamide.    
     
     
         114 . A method according to  claim 113  in which the compound is of formula (I).  
     
     
         115 . A method according to  claim 114  in which D and E are unsubstituted rings.  
     
     
         116 . A method according to  claim 114  in which one of D and E is a mono-substituted ring.  
     
     
         117 . A method according to  claim 116  in which in which one of D and E is substituted by halogen, trifluoromethyl, cyano, C 1 -C 4  alkoxy or acetyl.  
     
     
         118 . A method according to  claim 114  in which D and E are both mono-substituted rings.  
     
     
         119 . A method according to  claim 113  in which the compound has the formula (II)  
       
         
           
           
               
               
           
         
       
       in which 
 R is hydrogen or an optionally substituted aliphatic, heteroaliphatic or cycloheteroaliphatic group, or in which the nitrogen atom, R, and two carbon atoms on the ring adjacent to the nitrogen atom, together comprise a ring having the formula —N—C═C—C(OH)═C(COCH 3 )—C(O)—;  
 and in which carbon atoms on the side rings of the compound are optionally substituted by one or more of —OR′, ═O, ═S, ═NR′, ═N—OR′, —NR′R″, —SR′, -halogen, —SiR′R″R′″, —OC(O)R′, —C(O)R′, —CO 2 R′, —CONR′R″, —OC(O)NR′R″, —NR″C(O)R′, —NR′—C(O)NR″R′″, —NR″C(O) 2 R′, —NR—C(NRR′R″)═NR′″, —R′C(NR′R″)═NR′″, —NR—C(NR′R″)═NR′″, —S(O)R′, —S(O) 2 R′, —S(O) 2 NR′R″, —NRSO 2 R′, —CN and/or —NO 2 , in which R′, R″ and R′″ are each independently selected from hydrogen, halogen, acyl, optionally substituted heteroaliphatic groups, unsubstituted aryl, aryl substituted with 1-3 halogens, optionally substituted aliphatic, optionally substituted oxyaliphatic groups, optionally substituted thioaliphatic groups, or aryl- (C 1 -C 4 )aliphatic groups.;  
 and pharmaceutically acceptable salts thereof.  
 
     
     
         120 . A method according to  claim 119  in which both side rings are unsubstituted rings.  
     
     
         121 . A method according to  claim 119  in which one or both of the side rings is a mono-substituted ring.  
     
     
         122 . A method according to  claim 119  in which one of the side rings is substituted by halogen, trifluoromethyl, cyano, C 1 -C 4  alkoxy or acetyl.  
     
     
         123 . A method according to  claim 119  in which the side rings are both mono-substituted rings.  
     
     
         124 . A method according to  claim 119  in which the side rings are either unsubstituted or are substituted at the 2-position by halogen, trifluoromethyl, thiomethyl, acetyl, C 1 -C 4  alkoxy or cyano, and in which R is 
 (a) a C 2 -C 4  alkylene group substituted by a mono- or dialkylamino group or by an optionally substituted cycloheteroaliphatic group;  
 (b) an optionally substituted C 2 -C 4  unsaturated acyclic aliphatic group, or  
 (c) a C 2 -C 4  acyl group substituted by a mono- or dialkylamino group.  
 
     
     
         125 . A method according to  claim 119  in which the compound is acetylpromazine, chlorpromazine, prochlorperazine, promazine, or trifluoperazine.  
     
     
         126 . A method according to  claim 114  in which the compound has the formula (III):  
       
         
           
           
               
               
           
         
         in which R is (CH 2 ) 3 R 12 ; R 10  is halogen or C 1 -C 4  alkoxy; R 11  is hydrogen if R 10  is halogen and is hydrogen or methyl if R 10  is alkoxy; and R 12  is selected from —N(CH 2 CH 2 )OH, —N(n-C 4 H 9 ), —N(CH 2 C 6 H 5 ),  
         
           
             
             
                 
                 
             
           
         
          if R 10  is halogen, and is —N(CH 3 ) 2  if R 10  is alkoxy.  
       
     
     
         127 . A method according to  claim 113  in which the compound is yohimbine.  
     
     
         128 . A method according to  claim 113  in which the compound is usnic acid.  
     
     
         129 . A method according to  claim 113  in which the compound is N-{4-[2,5-Dioxo-1-(4-trifluoromethoxy-phenyl)-pyrrolidin-3-yl]-phenyl}-2,2,2-trifluoro-acetamide.  
     
     
         130 . A method according to  claim 113  in which the compound is a phenothiazine.  
     
     
         131 . A method according to  claim 113  in which the compound is a thioxanthene.  
     
     
         132 . A method according to  claim 113  in which the compound is a thianthrene.  
     
     
         133 . A method according to  claim 113  in which the compound is a phenoxazine.  
     
     
         134 . A method according to  claim 113  in which the compound is a phenazine.  
     
     
         135 . A method according to  claim 113  in which the compound is a phenoxathiin.  
     
     
         136 . A method according to  claim 113  in which the compound is a benzepine.  
     
     
         137 . A method for inhibition of microbial RNA function comprising administering to a subject a pharmacologically effective inhibitory amount of 
 (a) a compound having the formula (I):                          in which: 
 A is O; NR 1 ; S(O) n  where n is 0, 1 or 2; CR 2 R 3 ; or —A′—CR 4 R 5  where A′ is O, NR 1 , S(O) n  wherein n is 0, 1 or 2 or CR 6 R 7 , wherein R 1  through R 7  are independently hydrogen or optionally substituted aliphatic or heteroaliphatic groups;  
 B is N—R, O, S or CR 8 R 9  in which R is hydrogen or an optionally substituted aliphatic or heteroaliphatic group and R 8  and R 9  are independently hydrogen or optionally substituted aliphatic or heteroaliphatic groups; or when B is N—R, then R, the nitrogen atom of B, and two carbon atoms on the ring adjacent to the nitrogen atom together comprise a ring having the formula —N—C═C—C(OH)═C(COCH 3 )—C(O)—;  
 provided that at least one of A and B comprises an oxygen, sulfur or nitrogen ring atom;  
 D and E, together with the carbon atoms to which they are bonded, independently comprise optionally substituted rings of 5-7 atoms selected from C, N, S and O, wherein each ring includes at least one double bond;  
 and pharmaceutically acceptable salts thereof;  
   (b) yohimbine;    (c) usnic acid; or    (d) N-{4-[2,5-Dioxo-1-(4-trifluoromethoxy-phenyl)-pyrrolidin-3-yl]-phenyl}-2,2,2-trifluoro-acetamide.    
     
     
         138 . A method according to  claim 137  in which the compound is of formula (I).  
     
     
         139 . A method according to  claim 138  in which D and E are unsubstituted rings.  
     
     
         140 . A method according to  claim 138  in which one of D and E is a mono-substituted ring.  
     
     
         141 . A method according to  claim 141  in which in which one of D and E is substituted by halogen, trifluoromethyl, cyano, C 1 -C 4  alkoxy or acetyl.  
     
     
         142 . A method according to  claim 138  in which D and E are both mono-substituted rings.  
     
     
         143 . A method according to  claim 137  in which the compound has the formula (II)  
       
         
           
           
               
               
           
         
       
       in which 
 R is hydrogen or an optionally substituted aliphatic, heteroaliphatic or cycloheteroaliphatic group, or in which the nitrogen atom, R, and two carbon atoms on the ring adjacent to the nitrogen atom, together comprise a ring having the formula —N—C═C—C(OH)═C(COCH 3 )—C(O)—;  
 and in which carbon atoms on the side rings of the compound are optionally substituted by one or more of —OR′, ═O, ═S, ═NR′, ═N—OR′, —NR′R″, —SR′, -halogen, —SiR′R″R′″, —OC(O)R′, —C(O)R′, —CO 2 R′, —CONR′R″, —OC(O)NR′R″, —NR″C(O)R′, —NR′—C(O)NR″R′″, —NR″C(O) 2 R′, —NR—C(NRR′R″)═NR′″, —R′C(NR′R″)═NR′″, —NR—C(NR′R″)═NR′″, —S(O)R′, —S(O) 2 R′, —S(O) 2 NR′R″, —NRSO 2 R′, —CN and/or —NO 2 , in which R′, R″ and R′″ are each independently selected from hydrogen, halogen, acyl, optionally substituted heteroaliphatic groups, unsubstituted aryl, aryl substituted with 1-3 halogens, optionally substituted aliphatic, optionally substituted oxyaliphatic groups, optionally substituted thioaliphatic groups, or aryl- (C 1 -C 4 )aliphatic groups.;  
 and pharmaceutically acceptable salts thereof.  
 
     
     
         144 . A method according to  claim 143  in which both side rings are unsubstituted rings.  
     
     
         145 . A method according to  claim 143  in which one or both of the side rings is a mono-substituted ring.  
     
     
         146 . A method according to  claim 145  in which one of the side rings is substituted by halogen, trifluoromethyl, cyano, C 1 -C 4  alkoxy or acetyl.  
     
     
         147 . A method according to  claim 143  in which the side rings are both mono-substituted rings.  
     
     
         148 . A method according to  claim 143  in which in which the side rings are either unsubstituted or are substituted at the 2-position by halogen, trifluoromethyl, thiomethyl, acetyl, C 1 -C 4  alkoxy or cyano, and in which R is 
 (a) a C 2 -C 4  alkylene group substituted by a mono- or dialkylamino group or by an optionally substituted cycloheteroaliphatic group;  
 (b) an optionally substituted C 2 -C 4  unsaturated acyclic aliphatic group, or  
 (c) a C 2 -C 4  acyl group substituted by a mono- or dialkylamino group.  
 
     
     
         149 . A method according to  claim 143  in which the compound is acetylpromazine, chlorpromazine, prochlorperazine, promazine, or trifluoperazine.  
     
     
         150 . A method according to  claim 138  in which the compound has the formula (III):  
       
         
           
           
               
               
           
         
         in which R is (CH 2 ) 3 R 12 ; R 10  is halogen or C 1 -C 4  alkoxy; R 11  is hydrogen if R 10  is halogen and is hydrogen or methyl if R 10  is alkoxy; and R 12  is selected from —N(CH 2 CH 2 )OH, —N(n-C 4 H 9 ), —N(CH 2 C 6 H 5 ),  
         
           
             
             
                 
                 
             
           
         
          if R 10  is halogen, and is —N(CH 3 ) 2  if R 10  is alkoxy.  
       
     
     
         151 . A method according to  claim 137  in which the compound is yohimbine.  
     
     
         152 . A method according to  claim 137  in which the compound is usnic acid.  
     
     
         153 . A method according to  claim 137  in which the compound is N-{4-[2,5-Dioxo-1-(4-trifluoromethoxy-phenyl)-pyrrolidin-3-yl]-phenyl}-2,2,2-trifluoro-acetamide.  
     
     
         154 . A method according to  claim 137  in which the compound is a phenothiazine.  
     
     
         155 . A method according to  claim 137  in which the compound is a thioxanthene.  
     
     
         156 . A method according to  claim 137  in which the compound is a thianthrene.  
     
     
         157 . A method according to  claim 137  in which the compound is a phenoxazine.  
     
     
         158 . A method according to  claim 137  in which the compound is a phenazine.  
     
     
         159 . A method according to  claim 137  in which the compound is a phenoxathiin.  
     
     
         160 . A method according to  claim 137  in which the compound is a benzepine.  
     
     
         161 . A method according to  claim 111  in which the RNA is bacterial RNA.  
     
     
         162 . A method for increasing or decreasing the production of a protein comprising the step of contacting a target messenger RNA molecule that encodes said protein with 
 (a) a compound having the formula (I):                          in which: 
 A is O; NR 1 ; S(O) n  where n is 0, 1 or 2; CR 2 R 3 ; or —A′—CR 4 R 5  where A′ is O, NR 1 , S(O) n  wherein n is 0, 1 or 2 or CR 6 R 7 , wherein R 1  through R 7  are independently hydrogen or optionally substituted aliphatic or heteroaliphatic groups;  
 B is N—R, O, S or CR 8 R 9  in which R is hydrogen or an optionally substituted aliphatic or heteroaliphatic group and R 8  and R 9  are independently hydrogen or optionally substituted aliphatic or heteroaliphatic groups; or when B is N—R, then R, the nitrogen atom of B, and two carbon atoms on the ring adjacent to the nitrogen atom together comprise a ring having the formula —N—C═C—C(OH)═C(COCH 3 )—C(O)—;  
 provided that at least one of A and B comprises an oxygen, sulfur or nitrogen ring atom;  
 D and E, together with the carbon atoms to which they are bonded, independently comprise optionally substituted rings of 5-7 atoms selected from C, N, S and O, wherein each ring includes at least one double bond;  
 and pharmaceutically acceptable salts thereof;  
   (b) yohimbine;    (c) usnic acid; or    (d) N-{4-[2,5-Dioxo-1-(4-trifluoromethoxy-phenyl)-pyrrolidin-3-yl]-phenyl}-2,2,2-trifluoro-acetamide.    
     
     
         163 . A method according to  claim 113 , wherein increasing or decreasing the production of a protein interferes with the progression of a disease associated with decreasing or increasing the production of said protein, respectively.  
     
     
         164 . A method according to  claim 114 , wherein the disease is selected from the group consisting of amyloidosis, hemophilia, Alzheimer's disease, atherosclerosis, cancer, giantism, dwarfism, hypothyroidism, hyperthyroidism, inflammation, cystic fibrosis, autoimmune disorders, diabetes, aging, obesity, neurodegenerative disorders, and Parkinson's disease.  
     
     
         165 . A method according to  claim 114 , wherein said disease is caused by a bacteria, a fungus, a protozoa, or a virus.  
     
     
         166 . A method according to  claim 162 , wherein the disease is selected from the group consisting of HIV infection, AIDS, human T-cell leukemia, SIV infection, FIV infection, feline leukemia, hepatitis A, hepatitis B, hepatitis C, Dengue fever, malaria, rotavirus infection, severe acute gastroenteritis, diarrhea, encephalitis, hemorrhagic fever, syphilis, legionella, whooping cough, gonorrhea, sepsis, influenza, pneumonia, tinea infection, candida infection, and meningitis.  
     
     
         167 . A pharmaceutical composition comprising an amount of 
 (a) a compound having the formula (I):                          in which: 
 A is O; NR 1 ; S(O) n  where n is 0, 1 or 2; CR 2 R 3 ; or —A′—CR 4 R 5  where A′ is O, NR 1 , S(O) n  wherein n is 0, 1 or 2 or CR 6 R 7 , wherein R 1  through R 7  are independently hydrogen or optionally substituted aliphatic or heteroaliphatic groups;  
 B is N—R, O, S or CR 8 R 9  in which R is hydrogen or an optionally substituted aliphatic or heteroaliphatic group and R 8  and R 9  are independently hydrogen or optionally substituted aliphatic or heteroaliphatic groups; or when B is N—R, then R, the nitrogen atom of B, and two carbon atoms on the ring adjacent to the nitrogen atom together comprise a ring having the formula —N—C═C—C(OH)═C(COCH 3 )—C(O)—;  
 provided that at least one of A and B comprises an oxygen, sulfur or nitrogen ring atom;  
 D and E, together with the carbon atoms to which they are bonded, independently comprise optionally substituted rings of 5-7 atoms selected from C, N, S and O, wherein each ring includes at least one double bond;  
 and pharmaceutically acceptable salts thereof;  
   (b) yohimbine;    (c) usnic acid; or    (d) N-{4-[2,5-Dioxo-1-(4-trifluoromethoxy-phenyl)-pyrrolidin-3-yl]-phenyl}-2,2,2-trifluoro-acetamide, 
 that is pharmacologically effective to inhibit one or more functions of a viral or microbial RNA.  
   
     
     
         168 . A composition according to  claim 167  in which the compound is of formula (I).  
     
     
         169 . A composition according to  claim 168  in which D and E are unsubstituted rings.  
     
     
         170 . A composition according to  claim 168  in which one of D and E is a mono-substituted ring.  
     
     
         171 . A composition according to  claim 170  in which in which one of D and E is substituted by halogen, trifluoromethyl, cyano, C 1 -C 4  alkoxy or acetyl.  
     
     
         172 . A composition according to  claim 168  in which D and E are both mono-substituted rings.  
     
     
         173 . A composition according to  claim 167  in which the compound has the formula (II)  
       
         
           
           
               
               
           
         
       
       in which 
 R is hydrogen or an optionally substituted aliphatic, heteroaliphatic or cycloheteroaliphatic group, or in which the nitrogen atom, R, and two carbon atoms on the ring adjacent to the nitrogen atom, together comprise a ring having the formula —N—C═C—C(OH)═C(COCH 3 )—C(O)—;  
 and in which carbon atoms on the side rings of the compound are optionally substituted by one or more of —OR′, ═O, ═S, ═NR′, ═N—OR′, —NR′R″, —SR′, -halogen, —SiR′R″R′″, —OC(O)R′, —C(O)R′, —CO 2 R′, —CONR′R″, —OC(O)NR′R″, —NR″C(O)R′, —NR′—C(O)NR″R′″, —NR″C(O) 2 R′, —NR—C(NRR′R″)═NR′″, —R′C(NR′R″)═NR′″, —NR—C(NR′R″)═NR′″, —S(O)R′, —S(O) 2 R′, —S(O) 2 NR′R″, —NRSO 2 R′, —CN and/or —NO 2 , in which R′, R″ and R′″ are each independently selected from hydrogen, halogen, acyl, optionally substituted heteroaliphatic groups, unsubstituted aryl, aryl substituted with 1-3 halogens, optionally substituted aliphatic, optionally substituted oxyaliphatic groups, optionally substituted thioaliphatic groups, or aryl- (C 1 -C 4 )aliphatic groups.;  
 and pharmaceutically acceptable salts thereof.  
 
     
     
         174 . A composition according to  claim 173  in which both side rings are unsubstituted rings.  
     
     
         175 . A composition according to  claim 173  in which one or both of the side rings is a mono-substituted ring.  
     
     
         176 . A composition according to claim  175 in which in which one of the side rings is substituted by halogen, trifluoromethyl, cyano, C 1 -C 4  alkoxy or acetyl.  
     
     
         177 . A composition according to  claim 173  in which the side rings are both mono-substituted rings.  
     
     
         178 . A composition according to  claim 173  in which the side rings are either unsubstituted or are substituted at the 2-position by halogen, trifluoromethyl, thiomethyl, acetyl, C 1 -C 4  alkoxy or cyano, and in which R is 
 (a) a C 2 -C 4  alkylene group substituted by a mono- or dialkylamino group or by an optionally substituted cycloheteroaliphatic group;  
 (b) an optionally substituted C 2 -C 4  unsaturated acyclic aliphatic group, or  
 (c) a C 2 -C 4  acyl group substituted by a mono- or dialkylamino group.  
 
     
     
         179 . A composition according to  claim 173  in which the compound is acetylpromazine, chlorpromazine, prochlorperazine, promazine, or trifluoperazine.  
     
     
         180 . A composition according to  claim 168  in which the compound has the formula (III):  
       
         
           
           
               
               
           
         
         in which R is (CH 2 ) 3 R 12 ; R 10  is halogen or C 1 -C 4  alkoxy; R 11  is hydrogen if R 10  is halogen and is hydrogen or methyl if R 10  is alkoxy; and R 12  is selected from —N(CH 2 CH 2 )OH, —N(n-C 4 H 9 ), —N(CH 2 C 6 H 5 ),  
         
           
             
             
                 
                 
             
           
         
          if R 10  is halogen, and is —N(CH 3 ) 2  if R 10  is alkoxy.  
       
     
     
         181 . A composition according to  claim 167  in which the compound is yohimbine.  
     
     
         182 . A composition according to  claim 167  in which the compound is usnic acid.  
     
     
         183 . A composition according to  claim 167  in which the compound is N-{4-[2,5-Dioxo-1-(4-trifluoromethoxy-phenyl)-pyrrolidin-3-yl]-phenyl}-2,2,2-trifluoro-acetamide.  
     
     
         184 . A composition according to  claim 167  in which the compound is a phenothiazine.  
     
     
         185 . A composition according to  claim 167  in which the compound is a thioxanthene.  
     
     
         186 . A composition according to  claim 167  in which the compound is a thianthrene.  
     
     
         187 . A composition according to  claim 167  in which the compound is a phenoxazine.  
     
     
         188 . A composition according to  claim 167  in which the compound is a phenazine.  
     
     
         189 . A composition according to  claim 167  in which the compound is a phenoxathiin.  
     
     
         190 . A composition according to  claim 167  in which the compound is a benzepine.  
     
     
         191 . A pharmaceutical composition comprising an amount of 
 (a) a compound having the formula (I):                          in which: 
 A is O; NR 1 ; S(O) n  where n is 0, 1 or 2; CR 2 R 3 ; or —A′—CR 4 R 5  where A′ is O, NR 1 , S(O) n  wherein n is 0, 1 or 2 or CR 6 R 7 , wherein R 1  through R 7  are independently hydrogen or optionally substituted aliphatic or heteroaliphatic groups;  
 B is N—R, O, S or CR 8 R 9  in which R is hydrogen or an optionally substituted aliphatic or heteroaliphatic group and R 8  and R 9  are independently hydrogen or optionally substituted aliphatic or heteroaliphatic groups; or when B is N—R, then R, the nitrogen atom of B, and two carbon atoms on the ring adjacent to the nitrogen atom together comprise a ring having the formula —N—C═C—C(OH)═C(COCH 3 )—C(O)—;  
 provided that at least one of A and B comprises an oxygen, sulfur or nitrogen ring atom;  
 D and E, together with the carbon atoms to which they are bonded, independently comprise optionally substituted rings of 5-7 atoms selected from C, N, S and O, wherein each ring includes at least one double bond;  
 and pharmaceutically acceptable salts thereof;  
   (b) yohimbine;    (c) usnic acid; or    (d) N-{4-[2,5-Dioxo-1-(4-trifluoromethoxy-phenyl)-pyrrolidin-3-yl]-phenyl}-2,2,2-trifluoro-acetamide, 
 that is pharmacologically effective in inhibiting a viral or microbial infection.  
   
     
     
         192 . A composition according to  claim 191  in which the compound is of formula (I).  
     
     
         193 . A composition according to  claim 193  in which D and E are unsubstituted rings.  
     
     
         194 . A composition according to  claim 193  in which one of D and E is a mono-substituted ring.  
     
     
         195 . A composition according to  claim 194  in which in which one of D and E is substituted by halogen, trifluoromethyl, cyano, C 1 -C 4  alkoxy or acetyl.  
     
     
         196 . A composition according to  claim 193  in which D and E are both mono-substituted rings.  
     
     
         197 . A composition according to  claim 191  in which the compound has the formula (II)  
       
         
           
           
               
               
           
         
       
       in which 
 R is hydrogen or an optionally substituted aliphatic, heteroaliphatic or cycloheteroaliphatic group, or in which the nitrogen atom, R, and two carbon atoms on the ring adjacent to the nitrogen atom, together comprise a ring having the formula —N—C═C—C(OH)═C(COCH 3 )—C(O)—;  
 and in which carbon atoms on the side rings of the compound are optionally substituted by one or more of —OR′, ═O, ═S, ═NR′, ═N—OR′, —NR′R″, —SR′, -halogen, —SiR′R″R′″, —OC(O)R′, —C(O)R′, —CO 2 R′, —CONR′R″, —OC(O)NR′R″, —NR″C(O)R′, —NR′—C(O)NR″R′″, —NR″C(O) 2 R′, —NR—C(NRR′R″)═NR′″, —R′C(NR′R″)═NR′″, —NR—C(NR′R″)═NR′″, —S(O)R′, —S(O) 2 R′, —S(O) 2 NR′R″, —NRSO 2 R′, —CN and/or —NO 2 , in which R′, R″ and R′″ are each independently selected from hydrogen, halogen, acyl, optionally substituted heteroaliphatic groups, unsubstituted aryl, aryl substituted with 1-3 halogens, optionally substituted aliphatic, optionally substituted oxyaliphatic groups, optionally substituted thioaliphatic groups, or aryl- (C 1 -C 4 )aliphatic groups;  
 and pharmaceutically acceptable salts thereof.  
 
     
     
         198 . A composition according to  claim 197  in which both side rings are unsubstituted rings.  
     
     
         199 . A composition according to  claim 197  in which one or both of the side rings is a mono-substituted ring.  
     
     
         200 . A composition according to  claim 199  in which in which one of the side rings is substituted by halogen, trifluoromethyl, cyano, C 1 -C 4  alkoxy or acetyl.  
     
     
         201 . A composition according to  claim 197  in which the side rings are both mono-substituted rings.  
     
     
         202 . A composition according to  claim 197  in which the side rings are either unsubstituted or are substituted at the 2-position by halogen, trifluoromethyl, thiomethyl, acetyl, C 1 -C 4  alkoxy or cyano, and in which R is 
 (a) a C 2 -C 4  alkylene group substituted by a mono- or dialkylamino group or by an optionally substituted cycloheteroaliphatic group;  
 (b) an optionally substituted C 2 -C 4  unsaturated acyclic aliphatic group, or  
 (c) a C 2 -C 4  acyl group substituted by a mono- or dialkylamino group.  
 
     
     
         203 . A composition according to  claim 197  in which the compound is acetylpromazine, chlorpromazine, prochlorperazine, promazine, or trifluoperazine.  
     
     
         204 . A composition according to  claim 193  in which the compound has the formula (III):  
       
         
           
           
               
               
           
         
         in which R is (CH 2 ) 3 R 12 ; R 10  is halogen or C 1 -C 4  alkoxy; R 11  is hydrogen if R 10  is halogen and is hydrogen or methyl if R 10  is alkoxy; and R 12  is selected from —N(CH 2 CH 2 )OH, —N(n-C 4 H 9 ), —N(CH 2 C 6 H 5 ),  
         
           
             
             
                 
                 
             
           
         
          if R 10  is halogen, and is —N(CH 3 ) 2  if R 10  is alkoxy.  
       
     
     
         205 . A composition according to  claim 191  in which the compound is yohimbine.  
     
     
         206 . A composition according to  claim 191  in which the compound is usnic acid.  
     
     
         207 . A composition according to  claim 191  in which the compound is N-{4-[2,5-Dioxo-1-(4-trifluoromethoxy-phenyl)-pyrrolidin-3-yl]-phenyl}-2,2,2-trifluoro-acetamide.  
     
     
         208 . A composition according to  claim 191  in which the compound is a phenothiazine.  
     
     
         209 . A composition according to  claim 191  in which the compound is a thioxanthene.  
     
     
         210 . A composition according to  claim 191  in which the compound is a thianthrene.  
     
     
         211 . A composition according to  claim 191  in which the compound is a phenoxazine.  
     
     
         212 . A composition according to  claim 191  in which the compound is a phenazine.  
     
     
         213 . A composition according to  claim 191  in which the compound is a phenoxathiin.  
     
     
         214 . A composition according to  claim 191  in which the compound is a benzepine.  
     
     
         215 . A compound having the formula (III):  
       
         
           
           
               
               
           
         
         in which R is (CH 2 ) 3 R 12 ; R 10  is halogen or C 1 -C 4  alkoxy; R 11  is hydrogen if R 10  is halogen and is hydrogen or methyl if R 10  is alkoxy; and R 12  is selected from —N(CH 2 CH 2 )OH, —N(n-C 4 H 9 ), —N(CH 2 C 6 H 5 ),  
         
           
             
             
                 
                 
             
           
         
          if R 10  is halogen, and is —N(CH 3 ) 2  if R 10  is alkoxy.  
       
     
     
         216 . A complex formed between the TAR site of HIV RNA and 
 (a) a compound having the formula (I):                          in which: 
 A is O; NR 1 ; S(O) n  where n is 0, 1 or 2; CR 2 R 3 ; or —A′—CR 4 R 5  where A′ is O, NR 1 , S(O) n  wherein n is 0, 1 or 2 or CR 6 R 7 , wherein R 1  through R 7  are independently hydrogen or optionally substituted aliphatic or heteroaliphatic groups;  
 B is N—R, O, S or CR 8 R 9  in which R is hydrogen or an optionally substituted aliphatic or heteroaliphatic group and R 8  and R 9  are independently hydrogen or optionally substituted aliphatic or heteroaliphatic groups; or when B is N—R, then R, the nitrogen atom of B, and two carbon atoms on the ring adjacent to the nitrogen atom together comprise a ring having the formula —N—C═C—C(OH)═C(COCH 3 )—C(O)—;  
 provided that at least one of A and B comprises an oxygen, sulfur or nitrogen ring atom;  
 D and E, together with the carbon atoms to which they are bonded, independently comprise optionally substituted rings of 5-7 atoms selected from C, N, S and O, wherein each ring includes at least one double bond;  
 and pharmaceutically acceptable salts thereof;  
   (b) yohimbine;    (c) usnic acid; or    (d) N-{4-[2,5-Dioxo-1-(4-trifluoromethoxy-phenyl)-pyrrolidin-3-yl]-phenyl}-2,2,2-trifluoro-acetamide.

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